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<br />001035 <br /> <br />. <br /> <br />. <br /> <br />June 1. 1998 Forecast of O:llorado River Flow into <br />Lake PowelH1l (Million Acre-feetl <br /> <br />USBR am National Weatiler Service <br />ADril-Julv Water Year 1998 <br /> <br /><l1an;Je Fran last <br />~ I s Forecast <br />J\lJril-Jul v wat Yr 1998 <br /> <br />Max:iJDJm (2) <br />Mean <br /> <br />Min:imJm(2) <br /> <br />9.700 <br /> <br />14.974 <br /> <br />+0.000 <br />+0.300 <br />+0.500 <br /> <br />+0.053 <br />+0.353 <br /> <br />7.700 * <br /> <br />12.574 ** <br /> <br />5.700 <br /> <br />10.174 <br /> <br />+0.553 <br /> <br />* '!his mcnth's A-J forecast is 100% of 3D-year A-J average sham belai. <br />** '!his mcnth's M' forecast is 107\ of 3D-year M' average shewn below. <br /> <br />~rison with n;o<Ot records <br />of O:llorado River <br />inflow into Lake IQ/ell <br />(at Lee Ferry prior to 1962) <br /> <br /> J\lJril-Jul v Flow Water Y""r Flow <br />l.c.n3'-'l'ime A"'=~ (1922-97) 8.064 11. 894 <br />3D-yr. Average (1961-90) 7.735 11. 724 <br />1D-yr. Average (1988-97) 6.506 10.071 <br />Max. of Reconl 15.404 (1984) 21. 873 (1984) <br />Min. of Rt:u.u.d 1.286 (1977) 3.663 (1977) <br />last Year (1997) 11. 321 16.833 <br /> <br />(1) Unler o:n:l.itians of 00 other lJI:per Basin reservoirs. <br /> <br />(2) USER am M5 forecasts inticate the prOOability of 19 dlan::es oot of <br />20 that the actual flow will not exceed the maxi.num value, am will not be <br />less than the mini:aum value. <br /> <br />-5- <br />